CS-Channel Estimation

使用Matlab仿真QAM_DSSS通信系统误码率，并和理论误码率进行比较。(Matlab QAM_DSSS BER )

说明：  4. 试说明卷积编解码的工作原理： (1) 使用Simulink仿真卷积编码，并用Viterbi译码的方法进行解码，其中的编码、译码全部是自己编写代码(S-Function方式)，不是调用Simulink的已有编码、译码函数。 (2) 请在加性白高斯噪声信道中，画出比特信噪比与误码率的关系曲线。(4. Try to explain the working principle of convolutional codec: (1) Simulink was used to simulate convolutional coding, and Viterbi decoding method was used for decoding. The coding and decoding were all written by oneself (s-function method), rather than calling the existing coding and decoding functions of Simulink. (2) in the additive white gaussian noise channel, please draw the curve of the relationship between bit signal-to-noise ratio and bit error rate.)

BSPK QPSK 8PSK调制与解调的matlab程序，已经经过测试，可稳定运行，具有很高的使用价值(BSPK QPSK 8PSK modulation and demodulation matlab program, has been tested and stable operation with high use value)

ethercat通信协议栈及其源代码，可用于嵌入式开发及ethercat主站搭建。(EtherCAT communication protocol stack and its source code)

Labwindows CVI 中不错的串口编程，串口调试(Good serial programming Labwindows CVI, serial debugging )

说明：  matlab code for maximal se master

利用MATLAB仿真软件对LMS和RLS两种算法进行仿真，通过仿真比较了两种算法的收敛速度，对两种算法收敛后的误码率进行分析，研究了步长对LMS算法均方误差性能曲线的影响和遗忘因子对RLS算法性能曲线的影响。(Using MATLAB simulation software for two types of LMS and RLS algorithm simulation, the simulation compares the convergence rate of two algorithms, two algorithms for bit error rate after convergence analysis to study the step-size LMS algorithm for the mean square error performance curve the impact and forgetting factor RLS algorithm for the impact of performance curve.)

说明：  QPSK调制信号通过高斯信道后输出BERvsSNR图像(QPSK modulated signal through Gaussian channel)

实现相控阵雷达天线波束的形成，可以清楚地看到随相位变化的波形能量分布。(To achieve the formation of phased array radar antenna beam, we can clearly see the waveform energy distribution with phase change.)

高阶累积量识别(包括link11识别、门限确定、门限确定(C60高阶累积量)、识别率(高阶累积量)12_16、识别率统计)(Cumulant identification (including link11 identification, to determine the threshold, the threshold to determine (C60 cumulant), the recognition rate (cumulant) 12_16, recognition rate statistics))